Crittenden County is a county located in the U.S. state of Arkansas. As of the 2000 census, the population was 50,866. The county seat is Marion, while its largest city is West Memphis. Crittenden County is Arkansas's twelfth county, formed on October 22, 1825, and named for Robert Crittenden, the first Secretary of the Arkansas Territory. Crittenden County is part of the Memphis, TN–MS–AR Metropolitan Statistical Area.
(from wikipedia)